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2 years ago

A grocer wants to mix a type of spice which costs £22 per kilogram with another type

Mathematics

1 answer:

AfilCa [17]2 years ago

8 0

Answer:

Step-by-step explanation:

let a = 22 / kg, and b = 12 / kg

a + b = 20 kg

22a + 12b = 15 * 20

12a + 12b = 240

10a = 60

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Which number represents 593 rounded to the nearest ten 600 610 603 590

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Answer:

590 would be your answer

Step-by-step explanation:

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3 years ago

How do I find the area of a rhombus?

QveST [7]

A = pq/2
p = diagonal 1

q = diagonal 2

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3 years ago

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PLEASE HELP MEE!! IVE BEEN DOING THIS ASSIGNMENT FOR OVER 2 HOURS NOW, PLS HELP.. :(

Lesechka [4]

Answer:

x = -3, y = 5

Step-by-step explanation:

first, take the 3x + 17 = y and put it in place for the y in the second equation.

-3x=4x+17+4

then, solve the equation.

-3x=4x+21

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x = -3

substitute in other equation

4(-3) + 17 = y

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answers are x = -3 and y = 5

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3 years ago

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LCM of 50, 80 and 110

Shkiper50 [21]

Answer:

4400

Step-by-step explanation:

Use the LCM of two or more numbers Calculator to find the Least Common Multiple of numbers 80, 50, 110 i.e. 4400 smallest integer divisible by all numbers. Least common multiple (LCM) of 80, 50, 110 is 4400.

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1 year ago

What’s the equation in vertex form?

pshichka [43]

Answer:

$\large\boxed{y=(x+5)^2-64}$

Step-by-step explanation:

$\text{The vertex form of equation}\ y=ax^2+bx+c:\\\\y=a(x-h)^2+k\\\\h=\dfrac{-b}{2a},\ k=f(h)\\\\\text{We have the equation:}\ y=x^2+10x-39\to x=1,\ b=10,\ c=-39.\\\\\text{Substitute:}\\\\h=\dfrac{-10}{2(1)}=\dfrac{-10}{2}=-5\\\\k=f(-5)=(-5)^2+10(-5)-39=25-50-39=-64\\\\\text{Finally:}\\\\y=1(x-(-5))^2-64=(x+5)^2-64$

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3 years ago